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Chem
Jon
Sandbox
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Prereq & Basics
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Prerequisites
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Numbers
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Period vs commas
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Arithmetic
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Mental arithmetic
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x
-1
vs 1/x
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Preceding zeroes
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Scientific notation
vs engineering notation
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Graphs
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Basics
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Common chemicals
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Common glassware
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Usage
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SI prefixes and Units
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Conversions
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Length / mass
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Volume
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Temperature
←
Year 2
1 - Stoichiometry
→